cern.colt.matrix.tfloat.algo.solver.FloatIterationReporter Maven / Gradle / Ivy

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Parallel Colt is a multithreaded version of Colt - a library for high performance scientific computing in Java. It contains efficient algorithms for data analysis, linear algebra, multi-dimensional arrays, Fourier transforms, statistics and histogramming.

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/*
 * Copyright (C) 2003-2006 Bjørn-Ove Heimsund
 * 
 * This file is part of MTJ.
 * 
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by the
 * Free Software Foundation; either version 2.1 of the License, or (at your
 * option) any later version.
 * 
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
 * for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; if not, write to the Free Software Foundation,
 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

package cern.colt.matrix.tfloat.algo.solver;

import cern.colt.matrix.tfloat.FloatMatrix1D;

/**
 * Reports on the progress of an iterative solver
 */
public interface FloatIterationReporter {

    /**
     * Registers current information
     * 
     * @param r
     *            Current residual norm
     * @param x
     *            Current state vector
     * @param i
     *            Current iteration number
     */
    void monitor(float r, FloatMatrix1D x, int i);

    /**
     * Registers current information
     * 
     * @param r
     *            Current residual norm
     * @param i
     *            Current iteration number
     */
    void monitor(float r, int i);

}